^PY^
^IOL
^IT00750
^IS521
^IL0800

						SPIN ARBITER
------------------------------------------------------------------------------------------------------------------------------------
					(SPIN RATE ESTIMATION SYSTEM)

Star	___ SEQID ___1____						* ONLY Gyro and SD SRE's Available During Burn Tasks.
Scanner     SSSRE    2   |						* Gyro SRE only available in INTERIAL mode.
                         |						* SSSRE runs following a burn task or A/S-D/S transition
                         |							and only runs once.
Gyros   ___ SAPROP __3___|						* Arbiter waits 7 minutes for SSSRE to complete before using
                         |							any other spin source
                         |____________ Spin Arbiter =====> Spin Rate	* SDSRE unavailable for 7 minutes after a burn task 
                         |							(Nutation Damping)
Acquistion  ASSRE ___4___|						* ASSRE unavailable for 10 revs after a burn task
Sensor                   |							(Convergence Phase)
                         |						* SEQID does not run until a spin rate is available from
                         |							the arbiter.
Spin    ___ SDSRE ___5___|
Detector